USB (universal serial bus) memory device



FIG. 1 is a front perspective view of a USB (universal serial bus) memory device;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear perspective view thereof.

The evenly dashed broken lines in the figures depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a USB (universal serial bus) memory device, as shown and described. 